Perhaps you should try some spelling variations:
deriving microarray » designing microarray, mining microarray, tiling microarray
function comparing » functions comparing, function computing, function comparison
comparing programs » camping programs, combining programs, converting programs
programs deriving » programs serving, programs designing, programs verifying
microarray chips » microarray chip, microarrays chip, microarray cross

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: function comparing programs deriving microarray chips~.
• Adding a wildcard symbol may retrieve word variants: function comparing programs deriving microarray chips*.